Question

Please help

Find the range of the exponential function f(x) = -2(3)^x

Answer 1

i thin its non-zero real numbers but i am not sure

Answer 2

\(3^x>0\) no matter what \(x\) is
therefore \(-2\times 3^x<0\) always

Answer 3

if you want to write the range as an interval, you could write
\[(-\infty,0)\]